<template>
  <div class="login-container">
    <div class="login-form">
      <div class="title-container">
        <h3 class="title">C2C租房交易系统后台</h3>
      </div>
      <el-tabs v-model="activeName" class="tab" stretch>

        <el-tab-pane label="登录" name="login">
          <el-form
            ref="loginForm"
            :model="loginForm"
            :rules="loginRules"
            auto-complete="on"
            label-position="left"
          >
            <el-form-item prop="username">
              <span class="svg-container">
                <svg-icon icon-class="user" />
              </span>
              <el-input
                ref="username"
                v-model="loginForm.username"
                placeholder="用户名/手机号"
                name="username"
                type="text"
                tabindex="1"
                auto-complete="on"
              />
            </el-form-item>
            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password" />
              </span>
              <el-input
                :key="passwordType"
                ref="password"
                v-model="loginForm.password"
                :type="passwordType"
                placeholder="密码"
                name="password"
                tabindex="2"
                auto-complete="on"
                @keyup.enter.native="handleLogin"
              />
              <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
              </span>
            </el-form-item>
            <el-button
              :loading="loading"
              type="primary"
              style="width:100%;margin-bottom:30px;"
              @click.native.prevent="handleLogin"
            >登录
            </el-button>
          </el-form>

        </el-tab-pane>

        <!-- 注册 -->
        <el-tab-pane label="注册" name="register">
          <el-form
            ref="registerForm"
            :model="registerForm"
            :rules="registerRules"
            auto-complete="on"
            label-position="left"
          >
            <el-form-item prop="username">
              <span class="svg-container">
                <svg-icon icon-class="user" />
              </span>
              <el-input
                ref="username"
                v-model="registerForm.username"
                placeholder="手机号"
                name="username"
                type="text"
                tabindex="1"
                auto-complete="on"
              />
            </el-form-item>
            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password" />

              </span>
              <el-input
                :key="passwordType"
                ref="password"
                v-model="registerForm.password"
                :type="passwordType"
                placeholder="6-10位密码，区分大小写"
                name="password"
                tabindex="2"
              />
              <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
              </span>
            </el-form-item>
            <el-form-item prop="passwordCheck">
              <span class="svg-container">
                <i class="el-icon-circle-check" />
              </span>
              <el-input
                ref="passwordCheck"
                v-model="registerForm.passwordCheck"
                type="password"
                placeholder="确认密码"
                name="passwordCheck"
                auto-complete="on"
              />
            </el-form-item>
            <el-button
              :loading="loading"
              type="primary"
              style="width:100%;margin-bottom:30px;"
              @click.native.prevent="userRegister"
            >注册
            </el-button>
          </el-form>
        </el-tab-pane>
      </el-tabs>

    </div>

  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { register } from '@/api/user'
export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的密码'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不少于6位'))
      } else {
        callback()
      }
    }
    const validatePasswordCheck = (rule, value, callback) => {
      console.log(value, this.registerForm.password)
      if (value !== this.registerForm.password) {
        callback(new Error('确认密码必一致'))
      } else {
        callback()
      }
    }
    return {
      activeName: 'login',
      loginForm: {
        username: '',
        password: ''
      },
      registerForm: {
        username: '',
        password: '',
        passwordCheck: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      registerRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }],
        passwordCheck: [{ required: true, trigger: 'blur', validator: validatePasswordCheck }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$router.push({ path: '/cms'})
      // return this.userLogin()
    },
    userLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then((res) => {
            console.log(res.user.isAdmin)
            this.$router.push({ path: '/login'})
            this.loading = false
            this.$message.success('登录成功')
          }).catch((err) => {
            this.loading = false
            this.$message.error(err)
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    userRegister() {
      const _this=this;
      this.$refs.registerForm.validate(async valid => {
        if (valid) {
          const res = await register({
            phoneNumber: this.registerForm.username,
            password: this.registerForm.password
          })
          if (res.code !== 1) return this.$message.error(res.message)
          _this.$message.success(res.message)
          _this.$refs.registerForm.resetFields()
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

.el-tabs__item {
  color: white;
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
